/* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil; -*- */

/* vim:set et sts=4: */

/* IBus - The Input Bus

 * Copyright (C) 2008-2010 Peng Huang <shawn.p.huang@gmail.com>

 * Copyright (C) 2008-2010 Red Hat, Inc.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301

 * USA

 */

#include "ibustext.h"

/* functions prototype */

static void         ibus_text_destroy      (IBusText            *text);

static gboolean     ibus_text_serialize    (IBusText            *text,

                                            GVariantBuilder     *builder);

static int          ibus_text_deserialize  (IBusText            *text,

                                            GVariant            *variant);

static gboolean     ibus_text_copy         (IBusText            *dest,

                                            const IBusText      *src);

G_DEFINE_TYPE (IBusText, ibus_text, IBUS_TYPE_SERIALIZABLE)

static void

ibus_text_class_init (IBusTextClass *class)

{

    IBusObjectClass *object_class = IBUS_OBJECT_CLASS (class);

    IBusSerializableClass *serializable_class = IBUS_SERIALIZABLE_CLASS (class);

    ibus_text_parent_class = (IBusSerializableClass *) g_type_class_peek_parent (class);

    object_class->destroy = (IBusObjectDestroyFunc) ibus_text_destroy;

    serializable_class->serialize   = (IBusSerializableSerializeFunc) ibus_text_serialize;

    serializable_class->deserialize = (IBusSerializableDeserializeFunc) ibus_text_deserialize;

    serializable_class->copy        = (IBusSerializableCopyFunc) ibus_text_copy;

}

static void

ibus_text_init (IBusText *text)

{

    text->is_static = TRUE;

    text->text = "";

    text->attrs = NULL;

}

static void

ibus_text_destroy (IBusText *text)

{

    if (text->text != NULL && text->is_static == FALSE) {

        g_free (text->text);

        text->text = NULL;

    }

    if (text->attrs) {

        g_object_unref (text->attrs);

        text->attrs = NULL;

    }

    IBUS_OBJECT_CLASS (ibus_text_parent_class)->destroy ((IBusObject *)text);

}

static gboolean

ibus_text_serialize (IBusText        *text,

                     GVariantBuilder *builder)

{

    gboolean retval;

    retval = IBUS_SERIALIZABLE_CLASS (ibus_text_parent_class)->serialize (

                        (IBusSerializable *)text, builder);

    g_return_val_if_fail (retval, FALSE);

    g_variant_builder_add (builder, "s", text->text);

    if (text->attrs == NULL) {

        text->attrs = ibus_attr_list_new ();

        g_object_ref_sink (text->attrs);

    }

    g_variant_builder_add (builder, "v", ibus_serializable_serialize ((IBusSerializable *)text->attrs));

    return TRUE;

}

static gint

ibus_text_deserialize (IBusText *text,

                       GVariant *variant)

{

    gint retval;

    retval = IBUS_SERIALIZABLE_CLASS (ibus_text_parent_class)->deserialize (

                            (IBusSerializable *)text, variant);

    if (text->is_static == FALSE)

        g_free (text->text);

    g_variant_get_child (variant, retval++, "s", &text->text);

    text->is_static = FALSE;

    if (text->attrs)

        g_object_unref (text->attrs);

    GVariant *var = g_variant_get_child_value (variant, retval++);

    text->attrs = IBUS_ATTR_LIST (ibus_serializable_deserialize (var));

    g_variant_unref (var);

    g_object_ref_sink (text->attrs);

    return retval;

}

static gboolean

ibus_text_copy (IBusText       *dest,

                const IBusText *src)

{

    gboolean retval;

    retval = IBUS_SERIALIZABLE_CLASS (ibus_text_parent_class)->copy (

                            (IBusSerializable *)dest,

                            (IBusSerializable *)src);

    g_return_val_if_fail (retval, FALSE);

    g_return_val_if_fail (IBUS_IS_TEXT (dest), FALSE);

    g_return_val_if_fail (IBUS_IS_TEXT (src), FALSE);

    dest->text = g_strdup (src->text);

    dest->is_static = FALSE;

    if (src->attrs) {

        dest->attrs = (IBusAttrList *)ibus_serializable_copy ((IBusSerializable *)src->attrs);

        g_object_ref_sink (dest->attrs);

    }

    return TRUE;

}

IBusText *

ibus_text_new_from_string (const gchar *str)

{

    g_assert (str);

    IBusText *text;

    text= g_object_new (IBUS_TYPE_TEXT, NULL);

    text->is_static = FALSE;

    text->text = g_strdup (str);

    return text;

}

IBusText *

ibus_text_new_from_ucs4 (const gunichar *str)

{

    g_assert (str);

    gchar *buf = g_ucs4_to_utf8 (str, -1, NULL, NULL, NULL);

    g_return_val_if_fail (buf != NULL, NULL);

    IBusText *text= g_object_new (IBUS_TYPE_TEXT, NULL);

    text->is_static = FALSE;

    text->text = buf;

    return text;

}

IBusText *

ibus_text_new_from_static_string (const gchar *str)

{

    g_assert (str);

    IBusText *text;

    text= g_object_new (IBUS_TYPE_TEXT, NULL);

    text->is_static = TRUE;

    text->text = (gchar *)str;

    return text;

}

IBusText *

ibus_text_new_from_printf (const gchar *format,

                           ...)

{

    g_assert (format);

    gchar *str;

    IBusText *text;

    va_list args;

    va_start (args, format);

    str = g_strdup_vprintf (format, args);

    va_end (args);

    g_return_val_if_fail (str != NULL, NULL);

    text= g_object_new (IBUS_TYPE_TEXT, NULL);

    text->is_static = FALSE;

    text->text = (gchar *)str;

    return text;

}

IBusText *

ibus_text_new_from_unichar (gunichar c)

{

    IBusText *text;

    gint len;

    g_return_val_if_fail (g_unichar_validate (c), NULL);

    text= g_object_new (IBUS_TYPE_TEXT, NULL);

    text->is_static = FALSE;

    text->text = (gchar *)g_malloc (12);

    len = g_unichar_to_utf8 (c, text->text);

    text->text[len] =  0;

    return text;

}

void

ibus_text_append_attribute (IBusText *text,

                            guint     type,

                            guint     value,

                            guint     start_index,

                            gint      end_index)

{

    g_assert (IBUS_IS_TEXT (text));

    IBusAttribute *attr;

    if (end_index < 0) {

        end_index  += g_utf8_strlen(text->text, -1) + 1;

    }

    if (end_index <= 0) {

        return;

    }

    if (text->attrs == NULL) {

        text->attrs = ibus_attr_list_new ();

    }

    attr = ibus_attribute_new (type, value, start_index, end_index);

    ibus_attr_list_append (text->attrs, attr);

}

guint

ibus_text_get_length (IBusText *text)

{

    return g_utf8_strlen (text->text, -1);

}

gboolean

ibus_text_get_is_static (IBusText *text)

{

    return text->is_static;

}

const gchar *

ibus_text_get_text (IBusText *text)

{

    return text->text;

}

IBusAttrList *

ibus_text_get_attributes (IBusText *text)

{

    return text->attrs;

}

void

ibus_text_set_attributes (IBusText     *text,

                          IBusAttrList *attrs)

{

    if (text->attrs)

        g_object_unref (text->attrs);

    text->attrs = attrs;

    g_object_ref_sink (text->attrs);

}